phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 2

INSERT INTO forum_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('7def66a86617d7035d990b3251743248', -1, 1716446772, 1716446772, '12dd9a12', -4, 0, 0)

Line : 187
File : sessions.php